Matrix square-root of triangle A105615.

Terms

a(0) =1a(1) =1a(2) =1a(3) =4a(4) =2a(5) =1a(6) =26a(7) =10a(8) =3a(9) =1a(10) =226a(11) =74a(12) =19a(13) =4a(14) =1a(15) =2426a(16) =706a(17) =167a(18) =31a(19) =5a(20) =1a(21) =30826a(22) =8162a(23) =1831a(24) =320a(25) =46a(26) =6a(27) =1a(28) =451586a(29) =110410